View full ATI Radeon X1950 Pro specs on CNET. Sapphire ATI Radeon X19MB GDDR3 SDRAM PCIE. This is a technical support forum for resolving all manner of computer issues. The Sapphire card I’ m looking at here is based on the. RadeonはATI Technologies社のビデオチップ「 Rage」 シリーズの後継製品で、 当時性能面で先んじていたNVIDIA社のGeForceシリーズの対抗製品として登場。. The headers in the table listed below describe the following: Model – The marketing name for the GPU assigned by AMD/ ATI.